There was a time Maldives master fisherman Adam Naseer could catch as many skipjack tuna with a pole and line as he could handle. But as the world warms, life’s no longer that simple. Naseer, 45 and other islanders face many challenges: Rising sea temperatures force the precious tuna out of reach. With global warming they face related phenomena such as abrupt weather shifts, intense storms and waves, all coupled with a creeping rise in sea level.